Home / 323,368,465.60-485,123,557.20-159,684,637.60

Finding the Fourth Proportional to 323,368,465.60, 485,123,557.20 and 159,684,637.60

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Solution

The fourth proportional to 323,368,465.60, 485,123,557.20 and 159,684,637.60 is: 239,561,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,368,465.60 : 485,123,557.20 = 159,684,637.60 : x
  2. Step 2: Convert to fraction form
    323,368,465.60/485,123,557.20 = 159,684,637.60/x
  3. Step 3: Cross multiply
    323,368,465.60x = 485,123,557.20 × 159,684,637.60
  4. Step 4: Simplify right side
    323,368,465.60x = 77,466,779,422,704,864
  5. Step 5: Solve for x
    x = 77,466,779,422,704,864/323,368,465.60
  6. Step 6: Final answer
    x = 239,561,947.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.